Coating-machine.



(No Model.)

Patented Sept. 2,l |902.

M. A. ASMITH.`

GOATING MACHINE.

(Application filed Apr. 12, 1901.)

3 Sheets-Sheet l.

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M. A. SMITH.

COATING MACHINE.

l '(Applicaton filed Apr. 12, 1901.)

(No Model.) l 3 Sheets-Sheet 3.

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UNITED STATES 4PATENT OFFICE.

MYRON A. SMITH, OF NEW YORK, N. Y., ASSIGNOR TO INTERNATIONAL MACHINE CO., OF NEW YORK, N. Y.

COATING-MACHINE.

SPECIFICATION forming part of Letters Patent No. 708,267, dated September 2, 1902.

Application ledApril 12, 1901. Serial No. 55,453. (No model.)

To all 1071/0711/Y t may concern:

Be it known that I, MYRON A. SMITH, a citizen of the United States, residing in the city, county, andState of New York, have invented a new and useful Improvement in Coating- Machines, of which the followingis a specification.

My invention relates especially to devices employed for applying a coating of material, such as chocolate, to cream or other centers, and has for its object the provision of a simple, compact, cleanly, and light-running ma chine forl applying such coating.

To attain the desired end, my invention consists in certain novel and useful combinations or arrangements of parts and peculiarities of construction and operation, al1 of which will be hereinafter first fully described and then pointed out in theclaims.

In the accompanying drawings, -Figurel is a plan View of a machine embodying my invention. Fig. 2 is a side elevation thereof. Fig. 3 is a vertical longitudinal sectional view at line a: 0c of Fig. 1. Fig. 4 is an enlarged plan view of a fragment of the center-holder. l Fig. 5 is a vertical sectional view at line a a of Fig. 4. Fig. 6 is a detail view of the clutch mechanism. Fig. 7 is an enlarged side elevation of the separable hinge shown in Fig. 2.

Like numerals of reference wherever they occur indicate corresponding parts in all the figures.

1 is the main frame of the machine, provided with a material-holding tank 2, having an outer wall 3. A

4 represents steam-pipes for applying heat to the tank. v

5is an overiiow-pipe from the space between the walls of the tank. t, v i

6 is a draw-off valve.

7 is a perforated material-distributing plate mounted over the tank 2.

8 is an inclined drip-pan open at the side next to the tank 2.

9 represents horizontal bars extending from the front of the mainframe.

.Iournaled to the main frame is a drivingshaft 10, having at one extremity fast and loose pulleys 11 and 12. Mounted on the shaft 10 at the end opposite to the pulleys is a clutch consisting of a part 13, secured to the shaft and having teeth 14, and a movable part 15, also having teeth 14, the two parts being normally held apart by spring 16,

rig. 6.

.17 is a sprocket upon the part 15 of the clutch.

18 is a collar loosely mounted upon the shaft l0, the uses whereof will be explained hereinafter.

19 is a crank upon a hub 20, through which the shaft lOloosely passes, said hub being provided with a rib 21, arranged to enter a groove 22 in a boss 23, projecting from the main frame 1. Pivoted at 24 is a rod 25, engaging at its lower end with the crank 19 and near its upper end with a transverse rod 26. The rod 26 is connected at 27 with astop-arm 28, pivoted on the main frame, and at 29 with an extension-rod 30, to which are pivoted stop-arms 3l and 32, having their lower ends pivoted to the main frame. ,Y

33 is a spring coiled around the rod 26, engaging with the upper extremity of the rod 25.

34is a treadle pivoted to the main frame and connected tothe crankf19 through the medium of bars 35, 36, 37, and 38.

39 is a bevel-gear upon the driving-shaft 10, the teeth of which mesh with a corresponding gear;1 40, iixed upon a shaft 41,-journaled in the main fram eat right angles to the shaft 10.

The shaft 41 bears a sprocket 42'at its outer extremity.

43 is a driving chain passing from the sprocket 42 to a sprocket 44 upon ashaft 45, journaledin supports 46 and 47 at each side of the distributer 7.

48 is a shaft journaled in supports 46 and 47 at' the end of the distributer opposite to Shaft 45. i

49 represents shafts journaled in the tank 2 near the bottom thereof.

50 and 51 are sprockets fixed upon shafts 45, 48, and 49, and 52 represents chains which pass around the sprockets 50 and 51,

53 represents elevator-buckets secured to the chains 52. Y

Upon the shaft 10 is a sprocket 54, from which a chain 55 passes to a sprocket 56 upon a shaft 57, journaled in the frame above the drip-pan 8. This shaft bears ratchets 58 near cach end. Upon the shaft 57 is a sprocket IOO 59, from which a chain passes to a sprocket 61 on a shaft 62, journaled near the top of the tank 2 and bearing ratchets 63.

64E is a shaft jourualed in the main frame at the rear of the tank. This shaft is provided with a driving-sprocket 65, from which a chain 66 passes to the sprocket 17 upon the clutch mechanism of the shaft 10.

67represents friction-springs upon the shaft G4, compressed between collars 68 and the bearings of the shaft. Secured to each eX- tremity of the shaft 64 are cranks 69, to which are pivoted connecting-rods 70, passing to arms 71 upon a frame 72, which rests upon supporting-bars 73, held in the main frame by means of bolts 74 and 75, the said bolts passing through vertical slots in the main frame and being provided with hand-wheels 76, this arrangement providing vertical adjustment of the bars 73. The bolt 7-1 is shown in Fig. 2 of the drawings as bearing a hand-wheel 76, and in the same gure the hand-wheel is removed from the bolt 75, said bolt being shown in cross-section, so as to leave the slot in the main frame Which permits the vertical adjustment of the bar 73 uncovered. The frame 72 is provided at each side with projections 77, designed to come in contact with the ratchets 58 and 63, as will be hereinafter explained.

Secured to the bars 9 are circular slotted plates 78, into which the arms 71 pass when the mechanism is in the position shown in the drawings.

79 is a iiy which normally rests upon the outer portions of the bars 9, being provided with slotted plates 8O at each side, which embrace the fixed plates 78, allowing the y to he turned thereon, as upon a hinge, inwardly one-half of a revolution, the center of the axis of movement being the arms 71, permitting the iiy and the frame 72 to be turned in unison or separately.

8l is a holder for receiving the centers to be coated, said holder consisting of a series of connected receptacles 82, each havinga movable rod 83 mounted in its apex, the inner end of the rod bearing a device, such as 8i, to be imprinted upon the surface of the coating after its application to the center, and the outer end of the rod 83 bearing a weight 85.

Connected to the collar 18 is a rod 86, pivoted to the main frame at 87 and engaging with a vertical bar 88, also pivoted to the main frame at 89, its upper extremity being arranged to engage with a notch in the rim of the Wheel when the parts of the mechanism are in the position shown, insuring the stopping and retention of the frame 72 within the slotted plates 78.

The operation of my coating-machine is as follows: Material to be applied being placed within the tank 2 and kept at the proper consistency, the centers to be coated are placed within the receptacles of the holder 8l, being supported by the walls of the receptacles and kept out of contact with the printing devices. The machine being started with the parts of 'teaser the clutch in the position shown in Fig. 1, the coating-material elevators at once commence to operate, carrying the material up to the perforated distributer 7, the buckets spreading the material upon the distributer as they pass thereover, insuring an even escape thereof through the perforations. By pressing the foot upon the treadle the clutch is caused t0 engage, and the frame 72 is caused to move inward until the stop-arm 28 is reached by the arm 71, when the movement of said stop throws the clutch out of engagement, stopping the movement of the carrier-frame and supported parts directly beneath the flow of coating material. This material is allowed to shower over the centers as long as is required to completely coat the same, and during such iow the ratchets 63 strike upon the projections 77 on the frame 72, jarring said frame and the center-carrier, insuring an even distribution of the coating material over the centers and also shaking off the surplus. The amount of jarring may be readily and accurately regulated by setting the bars 73, supporting the frame 72, inthe proper position in relation to the ratchet-wheels, making it very light or violent, as required. By now again pressing the foot upon the treadle, bringing the parts of the clutch into engagement, the continued movement of the cranks 69 carries the goods and their support from beneath the flowing coating material over the drip-pan 8, and when the arm 7l comes in contact with the stop 31 it throws out the clutch, bringing the frame 72 and supported parts to rest over the pan. The spring 33 permits the bar 30 to move inwardly when the arm 71 strikes the stop 31 without releasing the clutch; but in its outward movement the spring does not prevent the throwing of the clutch, the stop 3l moving with the arm 7l, drawing upon the bar 30 and releasing the clutch. When the frame 72 comes to a rest over the pan 8, the ratchets 58 have contact with the pieces 77, jarring or shaking the goods until all of the surplus coating material has dropped into the pan, from which it fiows back to the tank 2, when the treadle is again pressed, and the frame 72 moves toits outermost position, the actuating mechanism being brought to a standstill by the stop 32 when the arms 7l are within the slotted plates 78, the rod 88 engaging with a notch in the rim of the wheel 65, holding the parts in the position shown in the drawings. A suitable plaque or other receiver is placed upon the iy 79, which is then turned over onto the coated goods. The frame 72 and iiy 79 are now turned together to the position normally occupied by the iiy, and then the frame and center-holder are turned back to their initial position, leaving the goods upon the receiver upon the fly, where they may be readily removed.

It will be noted that the printing devices 84 are not brought in contact with the goods until the coating material has been applied; but when the holder is reversed in position IOC IOC

ITO

Teaser to deposit the goods upon the plaque the printing devices move until they reach the surface of the coating, impressing their character thereon.

Having now fully described my invention, what I claim as new therein, and desire to secure by Letters Patent, is-

l. The combination with a coating-material-holding tank and a perforated distributer mounted thereover, of elevator-buckets arranged to raise coating material from the tank, empty it upon one end of the distributer and spread it over the entire surface thereof, substantially as shown and described.

2. The combination with a coating-material-holding tank and a perforated distribu- 'ter mounted thereover, of elevator-buckets arranged to raise the coating material from the tank, empty it uponl one end ot' the distributer and spread it over the surface thereof, and a reciprocatable center-carrying device, substantially as shown anddescribed.

3. The combination with a coating-material-holding tank and a perforated distributer mount-ed thereover, of elevator-buckets arranged to raise the coating material from the tank, empty it upon one end of the distributer and spread it over the surface thereof, a reciprocatable center--carrying device, and means for jarring or shaking the same when beneath the coating-material distributer, substantially as shown and described.

4. The combination with the material-holding tank, applying mechanism, and horizontallyreciprocatable centercarrying device, of a drip-pan at the front of the tank, means for automatically moving the center-carrier over the drip-pan, and means for automatic.

clutch and the mechanism for reciprocatingthe centercarrier, the center-carrier, and means for automatically stopping the centercarrier over the coating-tank, over the drippan, and at the outer end .of the stroke, substantially as shown and described.

7. The combination with the main drivingshaft carrying a clutch, of driving mechanism connected with the free portion of the clutch and the mechanism for reciprocating the center-carrier, the center-carrier, and means for automatically stopping the centercarrier over the coating-tank, over the drippan and at the outer end of the stroke, and for locking the same at the end of such stroke, substantially as shown and described.

S. The combination with the main drivingshaft provided with a clutch, and with the reciprocatable center-carrier, of a treadle for throwing the clutch into operation, and automatic means for throwing it out of operation at three points in the reciprocation of the center-carrier, substantially as shown and projections, substantially as shown and described.

11. The combination with the reciprocatable center-carryin g frame and means for reciprocating the same, of arms thereon, slotted plates at the end of the outward stroke adapted to receive said arms, substantially as and for the uses and purpose shown and described.

12. The combination with the reciprocatable center-carrying frame and means for Ireciprocating the same, ofarms thereon, slotted plates fixed to the main frame at the endV ofthe outward stroke adapted to receive said arms,and a ii y hinged upon said slotted plates adapted and arranged to turn independently or in unison with the center-carrying frame, substantially as shown and-described.

13. The combination with the center-carrying frame of a center-holder the receptacles wherein are provided with imprinting devices adapted and arranged to be held out of contact with the centers while they are being coated andbrought in contact with the coated surface when the center-holder lis reversed for depositing the coated goods, substantiallyas shown and described.

Signed by me at New York this 26th day of March, 1901.

y MYRON AgrSMITH.

Witnesses:

JAMES RIDGWAY, v A. M. PIERCE.

ICO 

